Clip-on pouring spout



FIG. 1 is a top, front and right side perspective view of a clip-on pouring spout showing my new design;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a back side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a top view thereof. 

The ornamental design for a clip-on pouring spout, as shown. 